2-bit adder lab report

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Oddz313

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I'm doing a lab report from the quartus 2 software I used and compiled and simulated. waveform and timing from schematic of 2 full adders connected. What is the boolean equation of a 2 bit adder. thank you
 

Sum = input 1 xor input 2 xor Carry_in
Carry = (input 1 and input 2) or (input 2 and Carry_in) or (Carry_in and input 1)

Google it for operation of Full Adder
 

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